How Does Expiration Take Place After a Positive-Pressure Breath During

question 4

Multiple Choice

How does expiration take place after a positive-pressure breath during an IPPB treatment?

• A) The elastic recoil of the lungs and thorax allows the patient to exhale
• B) The sensitivity is set to allow the ventilator to be 'sensitive' to the patient when exhalation is started
• C) The expiratory timer is set to limit the amount of time inspiration takes place
• D) The flow rate through the Venturi is cut off cycling the ventilator into expiration

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Definitions:

Potholes

Circular holes in the bedrock of a riverbed or a roadway, formed by the abrasion of small stones and sediment whirled around by water.

Swirl

The movement of a fluid in a twisted or spiraling pattern, often occurring in natural systems like air currents and water bodies or in engineered applications.

Sediments

Particles of rock, minerals, or organic matter that have been transported and deposited by wind, water, or ice.

Suspended Load

Fine particles, generally clay and silt, that are carried suspended in moving water.